Proton Authenticator & 2FA
Proton Authenticator & 2FA Summary
Proton Authenticator & 2FA is a free Android app in Productivity by Proton AG. Released in Jul 2025 (1 year ago). It has about 566K+ installs and 16K ratings with a 4.82★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 47K monthly active users . Store last updated Jul 24, 2026
Recent activity: 12K installs this week (41K over 4 weeks) showing strong growth , and 403 new ratings this week View trends →
SDK intelligence: AppGoblin detected 9 development tools(e.g. Google), 1 analytics: product,and 1 business tools integrated into Proton Authenticator & 2FA. View full SDK list →
Data tracking: The app's network data flows (API traffic to/from the app and its SDKs) were last crawled on Jan 1, 2026.
Proton Authenticator & 2FA SDKs Summary
Proton Authenticator & 2FA was last scanned for SDKs on 2026-07-30. Below is the overview of third-party companies detected in the app. The full list of SDKs, permissions and unknowns is available here.
Google
Sentry.io
Square
Airbnb Engineering
Firebase
JourneyApps4.82★
Ratings: 16K
Screenshots
App Description
Secure MFA & OTP, end-to-end encrypted, open source, available on every device.
Proton Authenticator is a free, private 2FA authenticator app that generates secure one-time passwords (OTP) on all your devices, even offline. Add multi-factor authentication (MFA) to your online accounts in seconds. From the creators of Proton Mail, Proton VPN, Proton Drive, and Proton Pass.
Open-source, end-to-end encrypted, and protected by Swiss privacy laws, Proton Authenticator is the safest way to generate and store your 2FA codes and TOTP tokens.
WHY CHOOSE PROTON AUTHENTICATOR?
Free authenticator app: no Proton account required, no ads
Works offline: generate OTP codes on mobile and desktop without a connection
Encrypted sync: keep your 2FA codes on all your devices with end-to-end encryption
Automatic backups: never lose access to your MFA-protected accounts
Easy import and export: move your OTP tokens from other 2FA apps in a few taps, or export them anytime
App lock: secure your authenticator app with biometrics or a PIN code
Open source: transparent, verifiable code
Swiss privacy: protected by Switzerland's privacy laws
Trusted by millions. Built by Proton.
Secure every login with a private 2FA authenticator app. Download Proton Authenticator today.